Wei Cheng¹, Wilbert Weijer², John Chiang³, Gokhan Danabasoglu⁴, Stephen G Yeager⁴, Who M Kim⁴, Peter R Gent⁴, Jiaxu Zhang² and Dongxiao Zhang⁵, (1)University of Washington/JISAO and NOAA/PMEL, Seattle, WA, United States, (2)Los Alamos National Laboratory, Los Alamos, NM, United States, (3)UC Berkeley, Geography, Berkeley, CA, United States, (4)National Center for Atmospheric Research, Boulder, CO, United States, (5)JISAO/University of Washington and NOAA/PMEL, Seattle, WA, United States